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Species · Utah · BBS 2025 Release · 1966–2024

Wilson's Snipe Population Trend in Utah

All statesShorebirds

Wilson's Snipe in Utah has surged: up 78% on the route-weighted index since 1979.

+78%Since 1979TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
52Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
46YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Wilson's Snipe Trends in UtahNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Wilson's Snipe has surged in Utah: up 78% on the route-weighted index since 1979.

Wilson's Snipe Population Forecast in Utah

If the recent trend holds, Wilson's Snipe in Utah is projected to rise about 78% by 2029 — from 0.59 in 2024 to a central estimate of 1.1 (95% range 0.00–2.3). A 5-year backtest shows a typical error of ±70.9%, with 100% of held-out values landing inside the 95% band.

+78%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
1.1Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–2.395% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±70.9%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Wilson's Snipe in Utah is projected to rise about 78% by 2029 — from 0.59 in 2024 to a central estimate of 1.1 (95% range 0.00–2.3). A 5-year backtest shows a typical error of ±70.9%, with 100% of held-out values landing inside the 95% band.19742029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20251.10.002.3
20261.10.002.3
20271.10.002.3
20281.10.002.3
20291.10.002.3

Wilson's Snipe Survey Routes in Utah

Routes recording Wilson's Snipe in Utah.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Randolph2120241992
Woodruff820242002
Goose Creek Mtn.720231997
Uintah Nf619941991
Neponset Res520181995
Lynn420231982
Wellington420012000
Ant Flat-Ogden Can420231994
Saleratus Cr320161995
Hardware Ranch320231994
Gold Hill320241988
Wellington 3220132013
Lost Cr. Res220181995
E. Bear Lake220221998
Navajo Lake220011995
Vernon220191993
Soapstone220232014
M Warner Res220171993
Wellington 2220102007
Dixie Nf220212001
Vernal220182017
Newcastle220091999
Heber Mtn.220181996
Delta220062003
Moon Lake 2120172017

Wilson's Snipe Population Trend in Other States

alaskaarizonacaliforniacoloradoidahoillinoisiowamainemassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-mexiconew-yorknorth-dakotaohiooregonpennsylvaniasouth-dakotavermontwashingtonwisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.